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net: declare lib_getaddrinfo as returning int32

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Otherwise on a 64-bit system we will read the 32-bit value as a 64-bit
    value.  Since getaddrinfo returns negative numbers as error values,
    these will be interpreted as numbers like 0xfffffffe rather than -2,
    and the comparisons with values like syscall.EAI_NONAME will fail.
    
    Fixes golang/go#23645
    
    Reviewed-on: https://go-review.googlesource.com/91296

From-SVN: r257299
This commit is contained in:
Ian Lance Taylor 2018-02-01 15:49:53 +00:00
parent 73b7d28f67
commit fc876f22b3
2 changed files with 2 additions and 2 deletions
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2
gcc/go/gofrontend/MERGE
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@ -1,4 +1,4 @@
71758f9ca1804743afe178f0e2fca489e0217474
b833695618d1a5d9d531f5ba0f9c07c7e35e0073
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.

2
libgo/go/net/cgo_unix.go
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@ -23,7 +23,7 @@ import (
)
//extern getaddrinfo
func libc_getaddrinfo(node *byte, service *byte, hints *syscall.Addrinfo, res **syscall.Addrinfo) int
func libc_getaddrinfo(node *byte, service *byte, hints *syscall.Addrinfo, res **syscall.Addrinfo) int32
//extern freeaddrinfo
func libc_freeaddrinfo(res *syscall.Addrinfo)